diff options
author | Max Staudt <max@enpas.org> | 2024-02-07 19:36:46 +0300 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.com> | 2024-04-03 22:53:39 +0300 |
commit | c7593026522a92a4fa4264a2f33b57a0d5addb6c (patch) | |
tree | d5cbba006ac687e1223b9291024095ff1b858692 /drivers/hid | |
parent | a48a7cd85f5518d21525642391602ec734cb100f (diff) | |
download | linux-c7593026522a92a4fa4264a2f33b57a0d5addb6c.tar.xz |
HID: playstation: DS4: Parse minimal report 0x01
Some third-party controllers never switch to the full 0x11 report.
They keep sending the short 0x01 report, so let's parse that instead.
Signed-off-by: Max Staudt <max@enpas.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/hid-playstation.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index 53bfc2828a61..6b0f25688657 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -287,6 +287,8 @@ struct dualsense_output_report { #define DS4_INPUT_REPORT_USB 0x01 #define DS4_INPUT_REPORT_USB_SIZE 64 +#define DS4_INPUT_REPORT_BT_MINIMAL 0x01 +#define DS4_INPUT_REPORT_BT_MINIMAL_SIZE 10 #define DS4_INPUT_REPORT_BT 0x11 #define DS4_INPUT_REPORT_BT_SIZE 78 #define DS4_OUTPUT_REPORT_USB 0x05 @@ -2196,6 +2198,7 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report * int battery_status, i, j; uint16_t sensor_timestamp; unsigned long flags; + bool is_minimal = false; /* * DualShock4 in USB uses the full HID report for reportID 1, but @@ -2223,6 +2226,18 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report * ds4_report = &bt->common; num_touch_reports = bt->num_touch_reports; touch_reports = bt->touch_reports; + } else if (hdev->bus == BUS_BLUETOOTH && + report->id == DS4_INPUT_REPORT_BT_MINIMAL && + size == DS4_INPUT_REPORT_BT_MINIMAL_SIZE) { + /* Some third-party pads never switch to the full 0x11 report. + * The short 0x01 report is 10 bytes long: + * u8 report_id == 0x01 + * u8 first_bytes_of_full_report[9] + * So let's reuse the full report parser, and stop it after + * parsing the buttons. + */ + ds4_report = (struct dualshock4_input_report_common *)&data[1]; + is_minimal = true; } else { hid_err(hdev, "Unhandled reportID=%d\n", report->id); return -1; @@ -2256,6 +2271,9 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report * input_report_key(ds4->gamepad, BTN_MODE, ds4_report->buttons[2] & DS_BUTTONS2_PS_HOME); input_sync(ds4->gamepad); + if (is_minimal) + return 0; + /* Parse and calibrate gyroscope data. */ for (i = 0; i < ARRAY_SIZE(ds4_report->gyro); i++) { int raw_data = (short)le16_to_cpu(ds4_report->gyro[i]); |